CN202905752U - A multifunctional intelligent photovoltaic combiner box - Google Patents
A multifunctional intelligent photovoltaic combiner box Download PDFInfo
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- CN202905752U CN202905752U CN 201220591343 CN201220591343U CN202905752U CN 202905752 U CN202905752 U CN 202905752U CN 201220591343 CN201220591343 CN 201220591343 CN 201220591343 U CN201220591343 U CN 201220591343U CN 202905752 U CN202905752 U CN 202905752U
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- photovoltaic
- fuse
- electrically connected
- data collector
- circuit breaker
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a multifunctional intelligent photovoltaic combiner box and belongs to a solar energy photovoltaic power generation auxiliary device. The multifunctional intelligent photovoltaic combiner box comprises an installing plate, inlet wire fuses, inverse-connection-preventing diodes, photovoltaic data acquisition units, anode and cathode busbars, a DC circuit breaker, a first fuse, a second fuse, a surge protector, a combiner box outlet wire terminal, and a grounding terminal. Each inlet wire fuse is connected with an inverse-connection-preventing diode. The anodes of the inverse-connection-preventing diodes are connected with the photovoltaic data acquisition units, while the cathodes of the the inverse-connection-preventing diodes are connected with the cathode busbar. The photovoltaic data acquisition units are connected with the anode busbar. The anode and cathode busbars are connected with the DC circuit breaker which is connected with the combiner box outlet wire terminal. The anode and cathode busbars are connected with the photovoltaic data acquisition units via the first fuse and are connected with the surge protector via the second fuse. The surge protector is connected with the grounding terminal. The DC circuit breaker and the photovoltaic data acquisition units are arranged on two ends of the installing plate. Normal operation of the photovoltaic data acquisition units is guaranteed and wire connection is facilitated for operating workers.
Description
Technical field
The utility model belongs to solar energy power generating auxiliary equipment technical field, is specifically related to a kind of multifunctional intellectual photovoltaic combiner box, particularly a kind of smart machine that photocell tandem and peripheral auxiliary element are monitored of being used for that is applied to photovoltaic power plant
Background technology
For the large-sized photovoltaic grid-connected system, in order to reduce connecting line between photovoltaic module and the inverter, maintain easily, improve reliability, generally need between photovoltaic module and inverter, increase the direct current collector-shoe gear.It is specially designed in order to satisfy this requirement that the photovoltaic combiner box series of products are exactly, and can match with the photovoltaic DC-to-AC converter product to form important step in the complete photovoltaic generating system solution.
Generally include in the existing photovoltaic combiner box: dc circuit breaker, dc fuse, counnter attack diode, direct current Surge Protector with realization overload protection, counnter attack protection, this three-level protective of surge protection, thereby provide more perfect protection system.Yet existing dc circuit breaker is usually located at the header box middle part, so that the dc circuit breaker binding post of header box connection side is positioned at each phase connection terminal middle part, is unfavorable for staff's correct wiring.Simultaneously, Intelligent photovoltaic combiner box has adopted the photovoltaic data collector of complete function, and dc circuit breaker faces mutually with photovoltaic data collector, can disturb the normal operation of photovoltaic data collector.Therefore be necessary to optimize existing photovoltaic combiner box interior arrangement structure.
For this reason, the applicant has carried out actively and effectively attempting, and technical scheme described below produces under this background
Summary of the invention
Task of the present utility model is that a kind of multifunctional intellectual photovoltaic combiner box that dc circuit breaker and photovoltaic data collector is laid respectively at the header box both sides will be provided.
Task of the present utility model is finished like this, a kind of multifunctional intellectual photovoltaic combiner box, be characterized in: comprise a mounting panel, be separately installed with the inlet wire fuse at described mounting panel, the counnter attack diode, negative bus-bar, photovoltaic data collector, positive bus, dc circuit breaker, the first fuse, Surge Protector, the second molten end-apparatus, header box outlet terminal and earth terminal, each road of the both positive and negative polarity of described inlet wire fuse is electrically connected each end of incoming cables, road of counnter attack diode both positive and negative polarity, each road leading-out terminal of the positive pole of described counnter attack diode is electrically connected photovoltaic data collector, described photovoltaic data collector leading-out terminal is electrically connected positive bus, each road leading-out terminal of the negative pole of described counnter attack diode is electrically connected negative bus-bar, described positive bus is electrically connected the anodal end of incoming cables of dc circuit breaker, described negative bus-bar is electrically connected dc circuit breaker negative pole end of incoming cables, described dc circuit breaker leading-out terminal connects the header box outlet terminal, described positive bus and negative bus-bar are electrically connected photovoltaic data collector through the first fuse, be electrically connected Surge Protector through the second fuse, described Surge Protector is electrically connected earth terminal; Described dc circuit breaker and photovoltaic data collector lay respectively at the both sides of mounting panel.
In a specific embodiment of the present utility model, described positive bus can be realized being electrically connected with cable and relevant components and parts with negative bus-bar, also can make the comb shape busbar.
In another specific embodiment of the present utility model, also comprise a radiator, described radiator is installed on the mounting panel and is positioned at the below of described counnter attack diode.
In another specific embodiment of the present utility model, also comprise a wire casing, described wire casing is installed on the mounting panel and between photovoltaic data collector and negative bus-bar, is used between carrying counnter attack diode and the negative bus-bar and between counnter attack diode and the photovoltaic data collector and the electric connection line between photovoltaic data collector and the first fuse.
The utility model is because after adopting said structure, the beneficial effect that has: at first, because dc circuit breaker and photovoltaic data collector are separately positioned on the both sides of mounting panel, and thereby can not disturb the normal operation of photovoltaic data collector; Secondly, rationally distributed between each components and parts can make things convenient for staff's wiring and regular maintenance, and good heat dissipation effect, is conducive to prolong the useful life of photovoltaic combiner box.
Description of drawings
Fig. 1 is an embodiment planar structure schematic diagram of the present utility model.
Fig. 2 is end view of the present utility model.
Among the figure: 1. mounting panel; 2. inlet wire fuse; 3. counnter attack diode; 4. negative bus-bar; 5. photovoltaic data collector; 6. positive bus; 7. dc circuit breaker; 8. the first fuse; 9. Surge Protector; 10. the second fuse; 20. header box outlet terminal; 30. earth terminal; 40. radiator; 50. wire casing.
Embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the applicant general elaborates by reference to the accompanying drawings in the mode of embodiment below, but all be not restriction to technical solutions of the utility model to the description of embodiment, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.
See also Fig. 1; the utility model has provided a kind of multifunctional intellectual photovoltaic combiner box; comprise mounting panel 1, be separately installed with inlet wire fuse 2, counnter attack diode 3, negative bus-bar 4, photovoltaic data collector 5, positive bus 6, dc circuit breaker 7, the first fuse 8, Surge Protector 9, the second molten end-apparatus 10, header box outlet terminal 20 and earth terminal 30 at described mounting panel 1.Described mounting panel 1 is installed in photovoltaic combiner box bottom, is used for each components and parts and the annex thereof that are fixed thereon, and realizes electrical connection between each components and parts by the circuit on it.Described inlet wire fuse 2 is connected in each road circuit of both positive and negative polarity, is respectively each road circuit overcurrent protection is provided.Described counnter attack diode 3 places the top of inlet wire fuse 2, and wherein each counnter attack diode connected with inlet wire fuse 2 each road one by one.Each road leading-out terminal of the positive pole of counnter attack diode 3 connects respectively photovoltaic data collector 5, and photovoltaic data collector 5 connects positive bus 6, and each road electric current positive pole converges at positive bus 6; Each road leading-out terminal of the negative pole of counnter attack diode 3 connects respectively negative bus-bar 6, and each road electric current negative pole converges at negative bus-bar 4.Described positive bus 6 is electrically connected dc circuit breaker 7 anodal ends of incoming cables, and described negative bus-bar 4 is electrically connected dc circuit breaker 7 negative pole ends of incoming cables, and described dc circuit breaker 7 leading-out terminals connect header box outlet terminal 20.Described positive bus 6 and negative bus-bar 4 are electrically connected photovoltaic data collector 5 through the first fuse 8, provide overload protection by the first fuse 8.Described positive bus 6 and negative bus-bar 4 are electrically connected Surge Protector 9 through the second fuse 10, and Surge Protector 9 is electrically connected earth terminal 30, provides overload protection by the second fuse 10.Described dc circuit breaker 7 and photovoltaic data collector 5 lay respectively at the both sides of wiring board 1.
A kind of multifunctional intellectual photovoltaic combiner box that the utility model is related; it comprises the overload protection that inlet wire fuse 2, the first fuse 8, the second fuse 10, dc circuit breaker 7 provide; the counnter attack protection that counnter attack diode 3 provides; the lightening surge preventing protection that Surge Protector 9 provides, thus make this photovoltaic combiner box can really realize complete three-level protective function.Secondly, this photovoltaic combiner box inside is provided with photovoltaic data collector 5, can detect each road electric current, and realizes the functions such as header box fault alarm, Wireless Data Transmission.
Main is in this photovoltaic combiner box, and dc circuit breaker 7 and photovoltaic data collector 5 are positioned at the both sides of photovoltaic combiner box.Both are at a distance of farthest, the large electric current after having guaranteed like this to conflux and conflux before little electric current be positioned at both sides, prevent from disturbing the work of photovoltaic data collector 5, and so that staff's wiring is clearly demarcated.
Positive bus 6 can be electrically connected with relevant components and parts with cable with negative bus-bar 4, also can be as the comb shape busbar.The comb shape busbar can be saved each road electric connection line of bus-bar one side.
Photovoltaic combiner box also comprises a wire casing 50, described wire casing 50 is installed on the mounting panel 1 and between photovoltaic data collector 5 and negative bus-bar 4, be used between carrying counnter attack diode 3 and the negative bus-bar 4 and between counnter attack diode 3 and the photovoltaic data collector 5 and the electric connection line between photovoltaic data collector 5 and the first fuse 8, so that photovoltaic combiner box inside winding displacement is orderly.
See also Fig. 2, also comprise a radiator 40, described counnter attack diode 3 is installed on the described radiator 40.Radiator 40 can improve the problem of temperature rise of counnter attack diode 3, thereby can guarantee the header box normal operation.
In sum, the technical scheme that the utility model provides has overcome the shortcoming in the prior art, has reached goal of the invention, has embodied the described technique effect of applicant
Claims (4)
1.
A kind of multifunctional intellectual photovoltaic combiner box, it is characterized in that: comprise a mounting panel (1), be separately installed with inlet wire fuse (2) at described mounting panel (1), counnter attack diode (3), negative bus-bar (4), photovoltaic data collector (5), positive bus (6), dc circuit breaker (7), the first fuse (8), Surge Protector (9), the second molten end-apparatus (10), header box outlet terminal (20) and earth terminal (30), each road of the both positive and negative polarity of described inlet wire fuse (2) is electrically connected each end of incoming cables, road of counnter attack diode (3) both positive and negative polarity, each road leading-out terminal of the positive pole of described counnter attack diode (3) is electrically connected photovoltaic data collector (5), described photovoltaic data collector (5) leading-out terminal is electrically connected positive bus (6), each road leading-out terminal of the negative pole of described counnter attack diode (3) is electrically connected negative bus-bar (4), described positive bus (6) is electrically connected the anodal end of incoming cables of dc circuit breaker (7), described negative bus-bar (4) is electrically connected dc circuit breaker (7) negative pole end of incoming cables, described dc circuit breaker (7) leading-out terminal connects header box outlet terminal (20), described positive bus (6) and negative bus-bar (4) are electrically connected photovoltaic data collector (5) through the first fuse (8), be electrically connected Surge Protector (9) through the second fuse (10), described Surge Protector (9) is electrically connected earth terminal (30); Described dc circuit breaker (7) and photovoltaic data collector (5) lay respectively at the both sides of mounting panel (1).
2.
Multifunctional intellectual photovoltaic combiner box according to claim 1 is characterized in that described positive bus (6) is electrically connected with the available cable of negative bus-bar (4) and the realization of relevant components and parts, also can make the comb shape busbar.
3.
Multifunctional intellectual photovoltaic combiner box according to claim 1 characterized by further comprising a radiator (40), and described radiator (40) is installed in mounting panel (1) upward and is positioned at the below of described counnter attack diode (3).
4.
Multifunctional intellectual photovoltaic combiner box according to claim 1, characterized by further comprising a wire casing (50), it is upper and be positioned between photovoltaic data collector (5) and the negative bus-bar (4) that described wire casing (50) is installed in mounting panel (1), is used for carrying between counnter attack diode (3) and the negative bus-bar (4) and between counnter attack diode (3) and the photovoltaic data collector (5) and the electric connection line between photovoltaic data collector (5) and the first fuse (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220591343 CN202905752U (en) | 2012-11-12 | 2012-11-12 | A multifunctional intelligent photovoltaic combiner box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220591343 CN202905752U (en) | 2012-11-12 | 2012-11-12 | A multifunctional intelligent photovoltaic combiner box |
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| CN202905752U true CN202905752U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220591343 Expired - Lifetime CN202905752U (en) | 2012-11-12 | 2012-11-12 | A multifunctional intelligent photovoltaic combiner box |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456819A (en) * | 2013-09-18 | 2013-12-18 | 无锡隆玛科技股份有限公司 | Divided type photovoltaic direct-current header box |
| CN104065337A (en) * | 2014-06-24 | 2014-09-24 | 苏州高创特新能源发展有限公司 | Gain-type intelligent photovoltaic confluence box |
| CN105826945A (en) * | 2016-04-29 | 2016-08-03 | 国网浙江省电力公司绍兴供电公司 | Intelligent photovoltaic power generation grid-connected metering device |
| CN106357215A (en) * | 2016-11-09 | 2017-01-25 | 天津开合电力科技有限公司 | Intelligent photovoltaic convergence box |
| CN106788219A (en) * | 2017-01-23 | 2017-05-31 | 沈小红 | A kind of photovoltaic generation header box |
| CN107425704A (en) * | 2016-05-23 | 2017-12-01 | 北京天诚同创电气有限公司 | Failure protection method for parallel operation of modular inverters and modular inverter |
| CN108880461A (en) * | 2018-06-28 | 2018-11-23 | 美高电气科技有限公司 | A kind of photovoltaic combiner box |
-
2012
- 2012-11-12 CN CN 201220591343 patent/CN202905752U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456819A (en) * | 2013-09-18 | 2013-12-18 | 无锡隆玛科技股份有限公司 | Divided type photovoltaic direct-current header box |
| CN104065337A (en) * | 2014-06-24 | 2014-09-24 | 苏州高创特新能源发展有限公司 | Gain-type intelligent photovoltaic confluence box |
| CN105826945A (en) * | 2016-04-29 | 2016-08-03 | 国网浙江省电力公司绍兴供电公司 | Intelligent photovoltaic power generation grid-connected metering device |
| CN107425704A (en) * | 2016-05-23 | 2017-12-01 | 北京天诚同创电气有限公司 | Failure protection method for parallel operation of modular inverters and modular inverter |
| CN106357215A (en) * | 2016-11-09 | 2017-01-25 | 天津开合电力科技有限公司 | Intelligent photovoltaic convergence box |
| CN106788219A (en) * | 2017-01-23 | 2017-05-31 | 沈小红 | A kind of photovoltaic generation header box |
| CN108880461A (en) * | 2018-06-28 | 2018-11-23 | 美高电气科技有限公司 | A kind of photovoltaic combiner box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |
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| CX01 | Expiry of patent term |